Ponics Stone™ Granular (Soilless Grow Media) Ponics Stone Granular:35 lbs. (full-sized production bag) Use in lighweight mortars and

Use in lighweight mortars and as an additive to the lightweight craft aggregate when more sand content is desired

Naturally pure pumice stone

Stone Size: range of 3/8 to 1/8-inch pumice stones

Rūtsu Sixteenths

About Pumice: Pumice is literally a foamed stone

Ponics Stone™ Granular (Soilless Grow Media) Ponics Stone Granular:35 lbs. (full-sized production bag) Use in lighweight mortars andUltra efficiency soilless grow systems demand high performance grow media. Ponics Stone delivers in the key areas of stability, nutrient holding capacity, gas exchange, drainage, weight, media particle size, crop balance and media life. Ponics Stone Granular is ideal for root cuttings and other propagation uses. Also for geophytes, succulents, cacti. Stable and grippy, but will not over compact. Roughly the size equivalent to a medium grade